66891020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25147}}^1$

素因数の和:25182

約数の個数: 48

約数和(自身を含む): 168994560

約数和(自身を除く): 102103540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 25147, 50294, 100588, 125735, 176029, 251470, 352058, 477793, 502940, 704116, 880145, 955586, 1760290, 1911172, 2388965, 3344551, 3520580, 4777930, 6689102, 9555860, 13378204, 16722755, 33445510, 66891020]

約数ペア:

[(1, 66891020), (2, 33445510), (4, 16722755), (5, 13378204), (7, 9555860), (10, 6689102), (14, 4777930), (19, 3520580), (20, 3344551), (28, 2388965), (35, 1911172), (38, 1760290), (70, 955586), (76, 880145), (95, 704116), (133, 502940), (140, 477793), (190, 352058), (266, 251470), (380, 176029), (532, 125735), (665, 100588), (1330, 50294), (2660, 25147)]